7. februar 2011, 17:13
Beskrivelse fra videokilde:
There is a common perception that weight and mass are basically the same thing. This video aims to tease out the difference between mass and weight by...... Vis alt
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7. februar 2011, 17:13 Beskrivelse fra videokilde: There is a common perception that weight and mass are basically the same thing. This video aims to tease out the difference between mass and weight by...... Vis alt |
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